| Avaa | Jurvelius, Juha
Lindem, Torfinn
Louhimo, Jarmo
| The number of fish in the pelagic areas of Lake Pyhäjärvi (Karelia), monitored by hydroacoustic methods | | artikkeli | kalakannat, pelaginen ympäristö, Pyhäjärvi (Karjala) | | | 1989 | 5 | | | Eripainos: Finnish Fisheries R... | I-Kalatutkimus |